201022111021002 has 16 divisors (see below), whose sum is σ = 402052015272960. Its totient is φ = 67006071468512.

The previous prime is 201022111020919. The next prime is 201022111021007. The reversal of 201022111021002 is 200120111220102.

It is not an unprimeable number, because it can be changed into a prime (201022111021007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324382602 + ... + 325001717.

It is an arithmetic number, because the mean of its divisors is an integer number (25128250954560).

Almost surely, 2^{201022111021002} is an apocalyptic number.

201022111021002 is an abundant number, since it is smaller than the sum of its proper divisors (201029904251958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201022111021002 is a wasteful number, since it uses less digits than its factorization.

201022111021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649435917.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201022111021002 its reverse (200120111220102), we get a palindrome (401142222241104).

The spelling of 201022111021002 in words is "two hundred one trillion, twenty-two billion, one hundred eleven million, twenty-one thousand, two".